2ANDL-MDWBRCU1Smart Kit

MDWBRCU1 Adapter Board Datasheet Version: 20230621 Online Version Contents I Contents 1 Overview 1 1.1 Features ......................................................................................... 1 1.2 Applications .................................................................................. 1 2 MDWBRCU1 interfaces 3 2.1 Dimensions and footprint ................................................................ 3 3 Electrical parameters 5 3.1 Electrical parameters ..................................................................... 5 3.2 Radio frequency (RF) power ............................................................ 5 3.3 Power consumption in working mode ................................................ 6 4 RF parameters 8 4.1 Basic RF features ........................................................................... 8 4.2 Transmitter (TX) performance .......................................................... 8 5 Appendix: Statement 10 1 Overview 1 / 12 1 Overview MDWBRCU1 is a Wi-Fi and Bluetooth Low Energy (LE) combo adapter board devel- oped by Tuya Smart. It consists of a highly integrated wireless RF chip RTL8720CF with built-in Wi-Fi stacks and various library functions. It combines a low-power KM4 microcontroller unit (MCU), WLAN MAC, and 1T1R (1 transmitter/1 receiver) design. It provides output frequency up to 100 MHz, 256 KB embedded SRAM, 2 MB flash memory, and configurable GPIOs that can function as digital peripherals for various applications. MDWBRCU1 is a real-time operating system (RTOS), integrated with all Wi-Fi MAC and TCP/IP libraries. You can develop your own embedded Wi-Fi products. 1.1 Features • Built-in low-power KM4 MCU that provides output frequency up to 100 MHz and also acts as an application processor. • Wi-Fi and Bluetooth connectivity – IEEE 802.11 b/g/n20. – Channels [email protected] (CH1-11 for US/CA, and CH1-13 for EU/CN). – Support security protocols, including WEP, WPA, WPA2, and WPA2 PSK (AES). – Support Bluetooth LE 4.2. – The maximum output power is +20 dBm for IEEE 802.11b transmission. – Support Wi-Fi Easy Connect (EZ mode) pairing mode on Android and iOS devices. • Onboard PCB antenna. • It has passed CE and FCC certifications. • Operating temperature: -20°C to +85°C. 1.2 Applications • Smart building • Smart home and electrical appliance • Smart socket and light • Industrial wireless control 1 Overview 2 / 12 • Baby monitor • IP camera • Smart bus It needs to be connected to a specific circuit to use, and it will not work when connected to a computer. 3 / 12 2 MDWBRCU1 interfaces 2 MDWBRCU1 interfaces 2.1 Dimensions and footprint MDWBRCU1 uses USB serial communication. The following figure shows the posi- tions of serial ports: Pin Symbol I/O type Feature 1 GND P Ground pin. 2 TX I/O TX pin for serial communication. 3 RX I/O RX pin for serial communication. 4 5V P 5V power input pin. Note: P indicates the power pin, and I/O indicates the input and output pin. The following figure shows the dimensions of the finished product shell: 4 / 12 2 MDWBRCU1 interfaces 5 / 12 3 Electrical parameters 3 Electrical parameters 3.1 Electrical parameters Description Min value Max value Unit Input voltage range 4.5 5.5 V Operating ambient temperature -20 85 °C Operating ambient humidity 0% 90% RH Storage ambient temperature -20 85 °C 3.2 Radio frequency (RF) power • Power consumption during TX continuous transmission Symbol Mode Power Average value Peak (Typical) Unit IRF 802.11b, 11 Mbit/s +17 dBm 177 214 mA IRF 802.11g, 54 Mbit/s +15 dBm 154 186 mA IRF 802.11n, BW20 MCS7 +14 dBm 154 186 mA • Power consumption during RX continuous reception Symbol Mode Average value Peak (Typical) Unit IRF 802.11b, 11 Mbit/s 40.6 59.6 mA IRF 802.11g, 54 Mbit/s 40.6 58.8 mA 6 / 12 3 Electrical parameters Symbol Mode Average value Peak (Typical) Unit 3.3 Power consumption in working mode Working mode Status (Ta = 25°C) Average value Peak (Typical) Unit Pairing in EZ The module is 41.9 222 mA mode in EZ mode. The Wi-Fi network status indicator blinks quickly. Connected The module is 17.1 212 mA and idle mode connected to the cloud. The Wi-Fi network status indicator is steady on. Connected The module is 40.2 206 mA and operating connected to mode the cloud. The Wi-Fi network status indicator is steady on. IRF 802.11n, HT20 MCS7 40.5 58.8 mA 7 / 12 3 Electrical parameters Working mode Status (Ta = 25°C) Average value Peak (Typical) Unit Disconnected The module is 54.7 218 mA mode disconnected from the cloud. The Wi-Fi network status indicator is steady off. 8 / 12 4 RF parameters Bluetooth LE standard Bluetooth LE 4.2 4 RF parameters 4.1 Basic RF features Parameter Description Wi-Fi standard IEEE 802.11b/g/n (channels 1 to 14) Data transmission rate IEEE 802.11b: 1, 2, 5.5, and 11 Mbit/s IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, and 54 Mbit/s IEEE 802.11n: HT20 MCS0-7 Antenna type Onboard PCB antenna with a gain of 0.29 dBi. 4.2 Transmitter (TX) performance • TX continuous transmission performance Parameter Min value Typical value Max value Unit RF average output power, 802.11b CCK mode, 11M - 17 - dBm RF average output power, 802.11g OFDM mode, 54M - 14 - dBm RF average output power, 802.11n OFDM mode, MCS7 - 13 - dBm RF average output power, Bluetooth LE 4.2,1M - 6.5 - dBm Frequency error -20 - 20 ppm Frequency range 2.400 to 2.4835 GHz 9 / 12 4 RF parameters Parameter Min value Typical value Max value Unit [email protected] CCK 11 Mbit/s mode, 17.5 dBm - - -15 dB [email protected] OFDM 54 Mbit/s mode, 14.5 dBm - - -33 dB [email protected] OFDM MCS7 mode, 13.5 dBm - - -33 dB • Receiver (RX) performance Parameter Min value Typical value Max value Unit PER < 8%, RX sensitivity, 802.11b CCK mode, 11M - -97 - dBm PER < 10%, RX sensitivity, 802.11g OFDM mode, 54M - -75 - dBm PER < 10%, RX sensitivity, 802.11g OFDM mode, MCS7 - -72 - dBm PER < 10%, RX sensitivity, Bluetooth LE 4.2, 1M - -93 - dBm 10 / 12 5 Appendix: Statement 5 Appendix: Statement FCC Caution:This device complies with part…

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Rev 1/26/2023 Company: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road, Hangzhou,Zhejiang, China Tel: 86-571-86581786 Fax: 86-571-86581786 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 07-06-2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2ANDL-MDWBRCU1 Hangzhou Tuya Information Technology Co.,Ltd certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Applicant signature: Linyun Li Applicant printed name: Rev 1/26/2023

Company: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road, Hangzhou,Zhejiang, China Tel: 86-571-86581786 Fax: 86-571-86581786 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 07-06-2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2ANDL-MDWBRCU1 Hangzhou Tuya Information Technology Co.,Ltd certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Applicant signature: Linyun Li Applicant printed name:

Rev 1/26/2023 Hangzhou Tuya Information Technology Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/6/26 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2ANDL-MDWBRCU1 Hangzhou Tuya Information Technology Co., Ltd. certifies that, as of the date of the filing of the application,Tuya Global Inc. is our designated U.S. agent for service of process for the above referenced FCC ID: 2ANDL-MDWBRCU1.Hangzhou Tuya Information Technology Co., Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Tuya Global Inc.accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: Tuya Global Inc. FRN:0033411059 Address: 3979 Freedom Circle, Suite 340, Santa Clara, CA 95054, USA Contact Person: Eric Shen Tel.: 626-215-3367 Email: [email protected] Sincerely, Hangzhou Tuya Information Technology Co., Ltd. Tuya Global Inc. Linyun LiEric Shen

Company: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road, Hangzhou,Zhejiang, China Tel: 86-571-86581786 Fax: 86-571-86581786 Date: 2023-06-20 To: Federal Communications Commission 7435 Oakland Mills Road Columbia MD FCC ID: 2ANDL-MDWBRCU1 To Whom It May Concern: This letter is to ascertain that Hangzhou Tuya Information Technology Co.,Ltd Product name: Smart Kit, Model: MDWBRCU1 has been the units used for conducting FCC compliance testing, the SDoC part will be tested by FCC recognized test lab. If you have any question or concerns, please contact us. Sincerely, Company name: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China E-mail: [email protected] Tel: +86-571-86581786 Printed Name: Linyun Li Signature

Rev 11/20/07 Hangzhou Tuya Information Technology Co.,Ltd Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2ANDL-MDWBRCU1 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name (Block Diagram, Schematics, operation description) (Block Diagram, Schematics, operation description.pdf”) The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name (Internal Photos, Test Setup Photos) (Internal Photos, Test Setup Photos.pdf”) Number of days: 180 days Sincerely, (signature) (printed name) Linyun Li

C:\Users\xu-jx\Desktop\back up\Project\2023\Hangzhou Tuya Information Technology Co., Ltd\709502303495-00 FCC and IC\FCC POA _Letter.docx Hangzhou Tuya Information Technology Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 07/06/2023 SUBJECT: FCC Application for FCC ID: 2ANDL-MDWBRCU1 To Whom It May Concern: We, the undersigned, hereby authorize Yu Anlu at TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Printed Name: Linyun Li Signature：

MDWBRCU1 USB Interface Description Letter 1，Structural photos 2，Scenes to be used MDWBRCU1 is a Wi-Fi and Bluetooth Low Energy (LE) combo adapter board developed by Tuya Smart.It is designed to be used in traditional home appliances such as air conditioners and dehumidifiers, making Host intelligent. The computer is not among its uses. 3，Interface Description The external communication interface on the hardware of the module is a TTL level serial port, and the usb port of the computer is USB protocol, so there is no communication on the hardware. At the same time, the process of starting the networking of the module must be initiated through the serial port command, so when the module connected to a computer, although it plugs in, it won't work. Hangzhou Tuya Information Technology Co., Ltd. Linyun Li

Company: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road, Hangzhou,Zhejiang, China Tel: 86-571-86581786 Fax: 86-571-86581786 WIFI Channel 12 ,13 and 14 Declaration Letter We declare the equipment identified below with regards to Channel 12,13 and 14 capabilities for FCC ID:2ANDL-MDWBRCU1 IC:23243-MDWBRCU1 Declaration Product hardware does not have the capability to operate on Channel 12,13 and 14. Product hardware has the capability to operate on Channel 12 ,13 and 14. However, these three channels will be disabled via software and will not be accessible to user. Product hardware has the capability to operate on Channel 12 ,13 and 14. However, all the operated channels can’t be changed in the RF parameter via software. All channels have complied with all of the requirements sets out in FCC Part 15.247. Product hardware has the capability to operate on WiFi Channel 12 ,13 and 14, and meets the requirements of KDB 594280 D01 v02r01. Please note: 1.) By default, this device operates in a mode that is compliant with the U.S. requirements. 2.) This device will also use supplemental information such as geo-location data to determine that it is operating outside the U.S., if necessary, to change its power. Such supplemental data will be derived from the following: Global Navigation Satellite System (GNSS)7 sensors in the device Mobile Country Code (MCC),8 or MCC with a Mobile Network code (MNC), received from a CMRS9 carrier and received directly by a receiver on the device Country information derived from multiple adjacent access points (for example using IEEE Std 802.11d provisions) may be permitted on case-by-case basis Other suitable geo-location data based on IP addresses or other reliable source. Name / Title: / Manager Signature: Phone: +86-571-86581786 Email: [email protected] Date: June 25,2023

External Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 2 Product: Smart Kit FCC ID: 2ANDL-MDWBRCU1 IC: 23243-MDWBRCU1 External Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 2 of 2 Product: Smart Kit FCC ID: 2ANDL-MDWBRCU1 IC: 23243-MDWBRCU1

Label & Location

Internal Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Smart Kit FCC ID: 2ANDL-MDWBRCU1 IC: 23243-MDWBRCU1 Antenna

Report No: 709502303495-00C EMC_SHA_F_R_02.06E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 2 Rev. 20.00 MPE Calculation Applicant: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Product: Smart Kit FCC ID: 2ANDL-MDWBRCU1 Model No.: MDWBRCU1 Reference RF report # 709502303495-00A, 709502303495-00B According to subpart 15.247(i)and subpart §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1,500 / / f/1500 30 1,500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Report No: 709502303495-00C EMC_SHA_F_R_02.06E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 2 Rev. 20.00 Calculated Data for Wi-Fi Maximum peak output power at antenna input terminal (dBm): 23.95 Maximum peak output power at antenna input terminal (mW): 248.31 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 0.29 Maximum Antenna Gain (numeric): 1.07 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.0528 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.0 The max power density 0.0528 (mW/cm 2 ) < 1 (mW/cm 2 ) Result: Compliant Calculated Data for BLE Maximum peak output power at antenna input terminal (dBm): 5.34 Maximum peak output power at antenna input terminal (mW): 3.42 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 0.29 Maximum Antenna Gain (numeric): 1.07 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.0007 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.0 The max power density 0.0007 (mW/cm 2 ) < 1 (mW/cm 2 ) Result: Compliant - TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch Reviewed by: Prepared by: Tested by: _____________________ _____________________ ______________________ Hui TONG Jiaxi XU Cheng Huali EMC Section Manager EMC Project Engineer EMC Test Engineer Date: 2023-07-04 Date: 2023-07-04 Date: 2023-07-04

Antenna Specification Manufacture：TUYA Product Name：MDWBRCU1 Antenna Antenna Type：PCB Test Date：2023.5.26 Tested by：Fangbin Zhong Approved by：Licco Content 1.General Description ................................................................................. 1 2.Test Configurations .................................................................................. 2 2.1 Test Environment ............................................................................ 2 2.2 Test Equipment ............................................................................... 2 2.3 Test Principle ................................................................................... 2 3.Test Results .............................................................................................. 3 3.1 Gain and Efficiency.......................................................................... 3 3.2 Radiation Pattern ............................................................................ 4 4.Antenna Dimensions ............................................................................... 6 5.EUT Photo................................................................................................ 6 6.Test Setup Photo ...................................................................................... 7 1 1.General Description Manufacturer Hangzhou Tuya Information Technology Co.,Ltd Address Room 701,Building 3,More Center,No.87 GuDun Road, Hangzhou, Zhejiang,China Test Location Room 106, Building 3, Letong Science Park, No. 500, Qiuyi Road, Binjiang District, Hangzhou Product Name MDWBRCU1 Antenna Product model MDWBRCU1 Antenna Type PCB Antenna Test Items Gain; Efficiency; Radiation Pattern Test Frequency 2400-2500MHz Test Standard ANSI/IEEE Std 149-1979 2 2.Test Configurations 2.1 Test Environment Temperature (°C) 25 Humidity (%RH) 60 Atmospheric Pressure (kPa) 100.5 2.2 Test Equipment Test System TEM 24 Multi-probe Microwave Chamber Test Instrument Agilent E5071B 2.3 Test Principle 3 3.Test Results 3.1 Gain and Efficiency Frequency (MHz) Peak Gain (dBi) Efficiency (%) 2400 -0.69 48.98 2410 -0.5 47.97 2420 -0.6 50 2430 -0.3 49.55 2440 -0.33 49.77 2450 -0.18 50.47 2460 0.13 51.88 2470 0.29 52 2480 0.19 51.4 2490 0.4 52 2500 0.43 52.97 4 3.2 Radiation Pattern Phi 0 2D Phi 90 2D Theta 90 2D 5 2400MHz 3D 2450MHz 3D 2500MHz 3D 6 4.Antenna Dimensions 5.EUT Photo 7 6.Test Setup Photo

EMC_SHA_F_R_02.05E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 41 Rev. 20.00 FCC/IC - TEST REPORT Report Number : 709502303495-00B Date of Issue: June 25, 2023 Model : MDWBRCU1 Product Type : Smart Kit Applicant : Hangzhou Tuya Information Technology Co.,Ltd Address : Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Manufacturer : Hangzhou Tuya Information Technology Co.,Ltd Address : Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Test Result : ◼ Positive  Negative Total pages including Appendices : 41 TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch is a subcontractor to TÜV SÜD Product Service GmbH according to the principles outlined in ISO 17025. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch reports apply only to the specific samples tested under stated test conditions. Construction of the actual test samples has been documented. It is the manufacturer's responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. The manufacturer/importer is responsible to the Competent Authorities in Europe for any modifications made to the production units which result in non-compliance to the relevant regulations. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch shall have no liability for any deductions, inferences or generalizations drawn by the client or others from TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch issued reports. This report is the confidential property of the client. As a mutual protection to our clients, the public and ourselves, extracts from the test report shall not be reproduced except in full without our written approval. Report Number: 709502303495-00B EMC_SHA_F_R_02.05E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 41 Rev. 20.00 1 Table of Contents 1 Table of Contents ................................................................................................................................................................ 2 2 Details about the Test Laboratory ..................................................................................................................................... 3 3 Description of the Equipment under Test ........................................................................................................................ 4 4 Summary of Test Standards .............................................................................................................................................. 6 5 Summary of Test Results ................................................................................................................................................... 7 6 General Remarks ................................................................................................................................................................ 8 7 Test Setups .......................................................................................................................................................................... 9 8 Systems test configuration ............................................................................................................................................... 12 9 Technical Requirement .................................................................................................................................................... 13 9.1 Conducted Emission ................................................................................................................................................ 13 9.2 Conducted peak output power................................................................................................................................ 18 9.3 6dB bandwidth and 99% Occupied Bandwidth .................................................................................................... 20 9.4 Power spectral density ............................................................................................................................................. 23 9.5 Spurious RF conducted emissions ........................................................................................................................ 25 9.6 Band edge ................................................................................................................................................................. 29 9.7 Spurious radiated emissions for transmitter ......................................................................................................... 32 10 Test Equipment List ...................................................................................................................................................... 39 11 System Measurement Uncertainty ............................................................................................................................. 40 12 Photographs of Test Set-ups ...................................................................................................................................... 41 13 Photographs of EUT ..................................................................................................................................................... 41 Report Number: 709502303495-00B EMC_SHA_F_R_02.05E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 3 of 41 Rev. 20.00 2 Details about the Test Laboratory Test Site 1 Company name: TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch No.16 Lane, 1951 Du Hui …

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EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 59 Rev. 20.00 FCC/IC - TEST REPORT Report Number : 709502303495-00A Date of Issue: June 23, 2023 Model : MDWBRCU1 Product Type : Smart Kit Applicant : Hangzhou Tuya Information Technology Co.,Ltd Address : Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Manufacturer : Hangzhou Tuya Information Technology Co.,Ltd Address : Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Test Result : ◼ Positive  Negative Total pages including Appendices : 59 TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch is a subcontractor to TÜV SÜD Product Service GmbH according to the principles outlined in ISO 17025. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch reports apply only to the specific samples tested under stated test conditions. Construction of the actual test samples has been documented. It is the manufacturer's responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. The manufacturer/importer is responsible to the Competent Authorities in Europe for any modifications made to the production units which result in non-compliance to the relevant regulations. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch shall have no liability for any deductions, inferences or generalizations drawn by the client or others from TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch issued reports. This report is the confidential property of the client. As a mutual protection to our clients, the public and ourselves, extracts from the test report shall not be reproduced except in full without our written approval. Report Number: 709502303495-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 59 Rev. 20.00 1 Table of Contents 1 Table of Contents ................................................................................................................................................................ 2 2 Details about the Test Laboratory ..................................................................................................................................... 3 3 Description of the Equipment under Test ........................................................................................................................ 4 4 Summary of Test Standards .............................................................................................................................................. 6 5 Summary of Test Results ................................................................................................................................................... 7 6 General Remarks ................................................................................................................................................................ 8 7 Test Setups ...................................…

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